<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="hello.html">
    <input type="button" value="我是一个按钮"></br>
    <input type="text" placeholder="请输入昵称" name="userName"></br>
    <input type="radio" name="gender" value="1">男<br/>
    <input type="radio" name="gender" value="2">女<br/>
    <input type="radio" name="gender" value="0">保密<br/>

    <input type="checkbox" name="sing" value="4">唱<br/>
    <input type="checkbox" name="skip" value="5">跳<br/>
    <input type="checkbox" name="Rap" value="6">Rap<br/>
    <input type="checkbox" name="Basketball" value="7">打篮球<br/>

    <input type="password" name="password" id=""><br/>

    <input type="submit" value="提交">
      
    </form>


    <select>
        <option>北京</option>
        <option selected="selected">上海</option>
    </select><br/>


    <textarea rows="3" cols="50">

    </textarea>

</body>
</html>